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EP2102186B1 - Indole - Google Patents

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Publication number
EP2102186B1
EP2102186B1 EP07847500A EP07847500A EP2102186B1 EP 2102186 B1 EP2102186 B1 EP 2102186B1 EP 07847500 A EP07847500 A EP 07847500A EP 07847500 A EP07847500 A EP 07847500A EP 2102186 B1 EP2102186 B1 EP 2102186B1
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EP
European Patent Office
Prior art keywords
alkyl
halo
alkoxy
hydrogen
alkylene
Prior art date
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EP07847500A
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English (en)
French (fr)
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EP2102186A1 (de
Inventor
Caterina Bissantz
Christophe Grundschober
Raffaello Masciadri
Hasane Ratni
Mark Rogers-Evans
Patrick Schnider
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F Hoffmann La Roche AG
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F Hoffmann La Roche AG
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
    • C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
    • C07D401/04—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
    • C07D413/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings
    • C07D413/04—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring-member bond
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/40—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil
    • A61K31/403—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil condensed with carbocyclic rings, e.g. carbazole
    • A61K31/404—Indoles, e.g. pindolol
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
    • A61P1/16—Drugs for disorders of the alimentary tract or the digestive system for liver or gallbladder disorders, e.g. hepatoprotective agents, cholagogues, litholytics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P13/00—Drugs for disorders of the urinary system
    • A61P13/12—Drugs for disorders of the urinary system of the kidneys
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P15/00—Drugs for genital or sexual disorders; Contraceptives
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P15/00—Drugs for genital or sexual disorders; Contraceptives
    • A61P15/08—Drugs for genital or sexual disorders; Contraceptives for gonadal disorders or for enhancing fertility, e.g. inducers of ovulation or of spermatogenesis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A61P25/18—Antipsychotics, i.e. neuroleptics; Drugs for mania or schizophrenia
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A61P25/22—Anxiolytics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A61P25/24—Antidepressants
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P5/00—Drugs for disorders of the endocrine system
    • A61P5/14—Drugs for disorders of the endocrine system of the thyroid hormones, e.g. T3, T4
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P5/00—Drugs for disorders of the endocrine system
    • A61P5/24—Drugs for disorders of the endocrine system of the sex hormones
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00—Drugs for disorders of the cardiovascular system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00—Drugs for disorders of the cardiovascular system
    • A61P9/02—Non-specific cardiovascular stimulants, e.g. drugs for syncope, antihypotensives
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00—Drugs for disorders of the cardiovascular system
    • A61P9/04—Inotropic agents, i.e. stimulants of cardiac contraction; Drugs for heart failure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00—Drugs for disorders of the cardiovascular system
    • A61P9/12—Antihypertensives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
    • C07D413/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings

Definitions

  • the present invention is concerned with novel indol-2-yl-carbonyl-piperidine derivatives as V1a receptor antagonists, their manufacture, pharmaceutical compositions containing them and their use as medicaments.
  • the active compounds of the present invention are useful in the prevention and/or treatment of anxiety and depressive disorders and other diseases.
  • the compounds of formula (I) can be manufactured by the methods given below, by the methods given in the examples or by analogous methods. Appropriate reaction conditions for the individual reaction steps are known to a person skilled in the art. Starting materials are either commercially available or can be prepared by methods analogous to the methods given below, by methods described in references cited in the text or in the examples, or by methods known in the art.
  • the compounds of formula (I) possess pharmaceutical activity, in particular they are modulators of V1a receptor activity. More particular, the compounds are antagonists of the V1a receptor.
  • Vasopressin is a 9 amino acid peptide mainly produced by the paraventricular nucleus of the hypothalamus. Three vasopressin receptors, all belonging to the class I G-protein coupled receptors, are known.
  • the V1a receptor is expressed in the brain, liver, vascular smooth muscle, lung, uterus and testis, the V1b or V3 receptor is expressed in the brain and pituitary gland, the V2 receptor is expressed in the kidney where it regulates water excretion and mediates the antidiuretic effects of vasopressin.
  • vasopressin acts as a neurohormone and stimulates vasoconstriction, glycogenolysis and antidiuresis.
  • vasopressin acts as a neuromodulator and is elevated in the amygdala during stress ( Ebner, K., C. T. Wotjak, et al. (2002). "Forced swimming triggers vasopressin release within the amygdala to modulate stress-coping strategies in rats.” Eur J Neurosci 15(2): 384-8 ).
  • the V1a receptor is extensively expressed in the brain and particularly in limbic areas like the amygdala, lateral septum and hippocampus which are playing an important role in the regulation of anxiety.
  • V1a knock-out mouse show a reduction in anxious behavior in the plus-maze, open field and light-dark box
  • the downregulation of the V1a receptor using antisense oligonucleotide injection in the septum also causes a reduction in anxious behavior ( Landgraf, R., R. Gerstberger, et al. (1995).
  • V1 vasopressin receptor antisense oligodeoxynucleotide into septum reduces vasopressin binding, social discrimination abilities, and anxiety-related behavior in rats. Regul Pept 59(2): 229-39 ).
  • the V1a receptor is also mediating the cardiovascular effects of vasopressin in the brain by centrally regulating blood pressure and heart rate in the solitary tract nucleus ( Michelini, L. C. and M. Morris (1999). "Endogenous vasopressin modulates the cardiovascular responses to exercise.” Ann N Y Acad Sci 897: 198-211 ). In the periphery it induces the contraction of vascular smooth muscles and chronic inhibition of the V1a receptor improves hemodynamic parameters in myocardial infarcted rats ( Van Kerckhoven, R., I. Lankhuizen, et al. (2002). "Chronic vasopressin V(1A) but not V(2) receptor antagonism prevents heart failure in chronically infarcted rats.” Eur J Pharmacol 449(1-2): 135-41 ).
  • V1a receptor modulators and in particular as V1a receptor antagonists.
  • Such antagonists are useful as therapeutics in the conditions of dysmenorrhea, hypertension, chronic heart failure, inappropriate secretion of vasopressin, liver cirrhosis, nephrotic syndrome, obsessive compulsive disorder, anxiety and depressive disorders.
  • the preferred indications with regard to the present invention are the treatment of anxiety and depressive disorders.
  • alkyl refers to a branched or straight-chain monovalent saturated hydrocarbon radical.
  • C 1-6 -alkyl denotes a saturated straight- or branched-chain hydrocarbon group containing from 1 to 6 carbon atoms, for example, methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, tert- butyl, the isomeric pentyls and the like.
  • a preferred sub-group of C 1-6 -alkyl is C 1-4 -alkyl, i.e. with 1 - 4 carbon atoms.
  • alkylene refers to a linear or branched saturated divalent hydrocarbon radical.
  • C 1-6 -alkylene means a linear saturated divalent hydrocarbon radical of one to six carbon atoms or a branched saturated divalent hydrocarbon radical of three to six carbon atoms, e.g. methylene, ethylene, 2,2-dimethylethylene, n-propylene, 2-methylpropylene, and the like.
  • alkoxy and C 1-6 -alkoxy refers to the group R'-O-, wherein R' is C 1-6 -alkyl as defined above.
  • alkoxy groups are methoxy, ethoxy, n-propoxy, isopropoxy, n-butoxy, tert -butoxy, sec -butoxy and the like.
  • a preferred sub-group of C 1-6 -alkoxy, and still more preferred alkoxy groups are methoxy and/or ethoxy.
  • thioalkyl and "C 1-6 -thioalkyl” refers to the group R'-S-, wherein R' is C 1-6 -alkyl as defined above.
  • C 1-6 -hydroxyalkyl or C 1-6 -alkyl substituted by OH denotes a C 1-6 -alkyl group as defined above wherein at least one of the hydrogen atoms of the alkyl group is replaced by a hydroxyl group.
  • C 1-6 -cyanoalkyl or "C 1-6 -alkyl substituted by CN” denotes a C 1-6 -alkyl group as defined above wherein at least one of the hydrogen atoms of the alkyl group is replaced by a CN group.
  • halo or halogen refers to fluorine (F), chlorine (Cl), bromine (Br) and iodine (I) with fluorine, chlorine and bromine being preferred.
  • halo-C 1-6 -alkyl denotes a C 1-6 -alkyl group as defined above wherein at least one of the hydrogen atoms of the alkyl group is replaced by a halogen atom, preferably fluoro or chloro, most preferably fluoro.
  • halo-C 1-6 -alkyl include but are not limited to methyl, ethyl, propyl, isopropyl, isobutyl, sec-butyl, tert-butyl, pentyl or n-hexyl substituted by one or more Cl, F, Br or I atom(s) as well as those groups specifically illustrated by the examples herein below.
  • the preferred halo-C 1-6 -alkyl groups are difluoro- or trifluoro-methyl or -ethyl.
  • halo-C 1-6 -alkox-y denotes a C 1-6 -alkoxy group as defined above wherein at least one of the hydrogen atoms of the alkyl group is replaced by a halogen atom, preferably fluoro or chloro, most preferably fluoro.
  • halogenated alkoxy groups are difluoro- or trifluoro-methoxy or -ethoxy.
  • C 2-12 -alkenyl denotes a straight-chain or branched hydrocarbon residue of 2 to 12 carbon atoms comprising at least one double bond.
  • a preferred sub-group of C 2-12 -alkenyl is C 2-6 -alkyenyl.
  • Examples of the preferred alkenyl groups are ethenyl, propen-1-yl, propen-2-yl (allyl), buten-1-yl, buten-2-yl, buten-3-yl, penten-1-yl, penten-2-yl, penten-3-yl, penten-4-yl, hexen-1-yl, hexen-2-yl, hexen-3-yl, hexen-4-yl and hexen-5-yl, as well as those specifically illustrated by the examples herein below.
  • 5 or 6 membered heteroaryl means an aromatic ring of 5 or 6 ring atoms as ring members containing one, two, or three ring heteroatoms selected from N, O, or S, the rest being carbon atoms.
  • 5 or 6 membered heteroaryl can optionally be substituted with one, two, three or four substituents, wherein each substituent may independently be selected from the group consisting of hydroxy, C 1-6 -alkyl, C 1-6 -alkoxy, C 1-6 -thioalkyl, halo, cyano, nitro, halo-C 1-6 -alkyl, C 1-6 -hydroxyalkyl, C 1-6 -alkoaycarbonyl, amino, C 1-6 -alkylamino, di(C 1-6 )alkylamino, aminocarbonyl, or carbonylamino, unless otherwise specifically indicated.
  • Preferred substituents are halo, halo-C 1-6 -alkyl, C 1-6 -alkyl, C 1-6 -alkoxy, halo-C 1-6 -alkoxy, nitro, or cyano.
  • heteroaryl moieties include, but are not limited to, optionally substituted imidazolyl, optionally substituted oxazolyl, optionally substituted thiazolyl, optionally substituted pyrazinyl, optionally substituted pyrrolyl, optionally substituted pyrazinyl, optionally substituted pyridinyl, optionally substituted pyrimidinyl, optionally substituted furanyl, and those which are specifically exemplified herein.
  • heterocycloalkyl means a monovalent saturated moiety, consisting of one ring of 3 to 7, preferably from 4 to 6 atoms as ring members, including one, two, or three heteroatoms chosen from nitrogen, oxygen or sulfur, the rest being carbon atoms.
  • 3 to 7 membered heterocycloalkyl can optionally be substituted with one, two, three or four substituents, wherein each substituent is independently hydroxy, C 1-6 -alkyl, C 1-6 -alko k y, C 1 - 6 -thioalkyl, halo, cyano, nitro, halo-C 1-6 -alkyl, C 1-6 -hydroxyalkyl, C 1-6 -alkoxycarbonyl, amino, C 1-6 -alkylamino, di(C 1-6 )alkylamino, aminocarbonyl, or carbonylamino, unless otherwise specifically indicated.
  • Preferred substituents are halo, halo-C 1-6 -alkyl, C 1-6 -alkyl, C 1 - 6 -alkoxy, halo-C 1-6 -alkoay, nitro, or cyano.
  • heterocyclic moieties include, but are not limited to, optionally substituted tetrahydro-furanyl, optionally substituted piperidinyl, optionally substituted pyrrolidinyl, optionally substituted morpholinyl, optionally substituted piperazinyl, and the like or those which are specifically exemplified herein.
  • heterocycle in the definition "R a and R b , R c and R d , R g and R h , R i and R j , together with the nitrogen to which they are bound form a five- or six-membered heterocycle comprising one or two heteroatoms selected from the group of nitrogen, oxygen and sulfur" means either heterocycloalkyl or heteroaryl in the above-given sense which may optionally be substituted as described above.
  • the "heterocycle” may optionally be substituted with one, two or three substituents selected from halo, halo-C 1-6 -alkyl, C 1-6 -alkyl, C 1-6 -alkoxy, halo-C 1-6 -alkoxy, nitro, or cyano.
  • Preferred heterocycles are piperazine, N-methylpiperazine, morpholin, piperidine and pyrrolidine.
  • substituents preferably means one, two or three substituents per ring.
  • pharmaceutically acceptable acid addition salt embraces salts with inorganic and organic acids, such as hydrochloric acid, nitric acid, sulfuric acid, phosphoric acid, citric acid, formic acid, fumaric acid, maleic acid, acetic acid, succinic acid, tartaric acid, methane-sulfonic acid, p-toluenesulfonic acid and the like.
  • R a and R b , R c and R d , R j and R j , or R g and R h together with the nitrogen to which they are bound may form piperazine, 4-( C 1-6 -alkyl)-piperazine, 4-methylpiperazine, morpholine, piperidine or pyrrolidine.
  • R a and R b , R c and R d , R i and R j or R g and R h together with the nitrogen to which they are bound may form 4-methylpiperazine, or morpholine.
  • R m is a 5- to 6-membered heteroaryl
  • the preferred heteroaryl is selected from the group consisting of pyridine, pyrimidine, pyrazine, pyridazine, imidazole, pyrazole, oxazole, and isoxazole.
  • R m is a 4- to 6-membered heterocycloalkyl
  • the preferred heterocycloalkyl is selected from the group consisting of pyrrolidine, oxethane, tetrahydropyrane, piperidine, morpholine, and piperazine.
  • compounds of formula (I) according to the invention are those wherein R 1 , R 2 , R 3 , R 4 , R 5 and R 6 are not all hydrogen at the same time.
  • R 12 and R 12 are each independently hydrogen, C 1-6 -alkoxy, C 1-6 -alkyl, halo, halo-C 1 - 6 -alkoxy, halo-C 1-6 -alkyl, or nitro;
  • R 13 , R 13 , and R 14 are each independently hydrogen, C 1-6 -alkoxy, C 1-6 -alkyl, halo, halo-C 1-6 -alkoxy, or nitro.
  • R 2 is hydrogen, or C 1-6 -alkoxy.
  • R 3 is hydrogen
  • R 4 is hydrogen, halo, C 1-6 -alkyl, halo-C 1-6 -alkyl or C 1-6 -alkoxy, preferably, R 4 is hydrogen or halo, more preferably, R 4 is hydrogen or chloro.
  • R 5 is hydrogen, halo, C 1-6 -alkyl, halo-C 1-6 -alkyl or C 1-6 -alkoxy; preferably, R 5 is hydrogen.
  • A is (a), X is CH 2 and Y is O, i.e. a compound of formula (I-a"): wherein R 1 to R 11 are as defined herein above.
  • A is (a), X is CH 2 and Y is CH 2 , i.e. a compound of formula (I-a"): wherein R 1 to R 11 are as defined herein above.
  • A is (b); i.e. a compound of formula (I-b) wherein R 1 to R 14 are as defined herein above.
  • a certain embodiment of the invention encompasses the compound of formula (I-b), wherein
  • a certain embodiment of the invention encompasses the compound of formula (I-c), wherein
  • Preferred compounds of the invention are ⁇ 5-Chloro-2-[4-(2-oxo-2,3-dihydro-benzooxazol-7-yl)-piperidine-1-carbonyl]-1H-indol-7-yl ⁇ -acetonitrile, 7-[1-(5-Chloro-7-morpholin-4-ylmethyl-1H-indole-2-carbonyl)-piperidin-4-yl]-3H-benzooxazol-2-one, (5-Chloro-1H-indol-2-yl)-(4-methoxy-4-phenyl-piperidin-1-yl)-methanone, (5-Chloro-1H-indol-2-yl)-[4-(3-chloro-phenyl)-piperidin-1-yl]-methanone, (5-Chloro-1H-indol-2-yl)-[4-(2,6-dimethoxy-phenyl)-pipe
  • the invention also encompasses the compounds of formula (I), (Ia), (Ib), or (Ic), for a use in the prevention or treatment of dysmenorrhea, hypertension, chronic heart failure, inappropriate secretion of vasopressin, liver cirrhosis, nephrotic syndrome, obsessive compulsive disorder, anxiety and depressive disorders.
  • the invention also encompasses a pharmaceutical composition
  • a pharmaceutical composition comprising a compound of formula (I), (Ia), (Ib), or (Ic), which pharmaceutical composition is useful against dysmenorrhea, hypertension, chronic heart failure, inappropriate secretion of vasopressin, liver cirrhosis, nephrotic syndrome, obsessive compulsive disorder, anxiety and depressive disorders.
  • the pharmaceutical composition may further comprise at least one pharmaceutically acceptable excipient.
  • the invention further encompasses the use of a compound of formula (I), (1a), (Ib), or (Ic), for the preparation of a medicament which is useful against dysmenorrhea, hypertension, chronic heart failure, inappropriate secretion of vasopressin, liver cirrhosis, nephrotic syndrome, obsessive compulsive disorder, anxiety and depressive disorders.
  • the compound of the invention can be manufactured according to a process comprising the step of reacting a compound of formula (II): with an amine of the formula A-H wherein A and R 1 to R 6 are as defined above.
  • the compounds of the invention can be manufactured according to a process comprising the step of reacting a compound of formula (I-1): with an electophlie of formula R 1 -hal, to give a compound of general formula (I) as defined herein above.
  • Compounds of formula (1-2) (compounds of formula (I) wherein R 1 is different from H), can be prepared by alkylation of the indole derivative of formula (I-1), with an electrophile of formula R 1 -hal (commercially available, wherein hal is halo, preferably Cl or Br) using standard procedures.
  • Derivatives (I-1) are prepared using the amide coupling as described in the general scheme A.
  • Substituted indole 2-carboxylic acids can be prepared according to the general scheme C. Indoles V are obtained by a Fischer indole synthesis from an aryl hydrazine III and a ⁇ -ketoester IV. Saponification gives an acid of formula II-a.
  • the compounds of the present invention exhibit V1a activity, which may be detected as described below:
  • the human V1a receptor was cloned by RT-PCR from total human liver RNA.
  • the coding sequence was subcloned in an expression vector after sequencing to confirm the identity of the amplified sequence.
  • Cell membranes were prepared from HEK293 cells transiently transfected with the expression vector and grown in 20 liter fermenters with the following protocol.
  • the pellet is resuspended in 12.5 ml Lysis buffer+12.5ml Sucrose 20% and homogenized using a Polytron for 1-2 min.
  • the protein concentration is determined by the Bradford method and aliquots are stored at -80°C until use.
  • 60mg Yttrium silicate SPA beads (Amersham) are mixed with an aliquot of membrane in binding buffer (50 mM Tris, 120mM NaCl, 5 mM KCI, 2 mM CaCl2, 10 mM MgCl2) for 15 minutes with mixing.
  • 50ul of bead/membrane mixture is then added to each well of a 96 well plate, followed by 50ul of 4 nM 3H-Vasopressin (American Radiolabeled Chemicals).
  • 100ul of binding buffer are added to the respective wells, for non-specific binding 100ul of 8.4mM cold vasopressin and for compound testing 100ul of a serial dilution of each compound in 2%DMSO.
  • the plate is incubated 1h at room temperature, centrifuged 1 min at 1000g and counted on a Packard Top-Count. Non-specific binding counts are subtracted from each well and data is normalized to the maximum specific binding set at 100%.
  • Example pki (hV1a) Example pki (hV1a) 1 7.89 8 7.065 2 8.185 9 7.71 5 7.39 10 7.34 6 7.3 11 7.265 7 7.855 12 7.015
  • the compounds of formula (I), and (Ia) to (Ic) as well as their pharmaceutically usable acid addition salts can be used as medicaments, e.g. in the form of pharmaceutical preparations.
  • the pharmaceutical preparations can be administered orally, e.g. in the form of tablets, coated tablets, dragées, hard and soft gelatine capsules, solutions, emulsions or suspensions.
  • the administration can, however, also be effected rectally, e.g. in the form of suppositories, or parenterally, e.g. in the form of injection solutions.
  • the compounds of formula (I), (Ia) to (Ic) and their pharmaceutically usable acid addition salts can be processed with pharmaceutically inert, inorganic or organic excipients for the production of tablets, coated tablets, dragees and hard gelatine capsules. Lactose, corn starch or derivatives thereof, talc, stearic acid or its salts etc can be used as such excipients e.g. for tablets, dragées and hard gelatine capsules.
  • Suitable excipients for soft gelatine capsules are e.g. vegetable oils, waxes, fats, semisolid and liquid polyols etc.
  • Suitable excipients for the manufacture of solutions and syrups are e.g. water, polyols, saccharose, invert sugar, glucose etc.
  • Suitable excipients for injection solutions are e.g. water, alcohols, polyols, glycerol, vegetable oils etc.
  • Suitable excipients for suppositories are e.g. natural or hardened oils, waxes, fats, semi-liquid or liquid polyols etc.
  • the pharmaceutical preparations can contain preservatives, solubilizers, stabilizers, wetting agents, emulsifiers, sweeteners, colorants, flavorants, salts for varying the osmotic pressure, buffers, masking agents or antioxidants. They can also contain still other therapeutically valuable substances.
  • the dosage can vary within wide limits and will, of course, be fitted to the individual requirements in each particular case.
  • a daily dosage of about 10 to 1000 mg per person of a compound of general formula (I) should be appropriate, although the above upper limit can also be exceeded when necessary.
  • Tablets of the following composition are manufactured in the usual manner: mg/tablet Active substance 5 Lactose 45 Corn starch 15 Microcrystalline cellulose 34 Magnesium stearate 1 Tablet weight 100
  • Capsules of the following composition are manufactured: mg/capsule Active substance 10 Lactose 155 Corn starch 30 Talc 5 Capsule fill weight 200
  • the active substance, lactose and corn starch are firstly mixed in a mixer and then in a comminuting machine.
  • the mixture is returned to the mixer, the talc is added thereto and mixed thoroughly.
  • the mixture is filled by machine into hard gelatine capsules.
  • the suppository mass is melted in a glass or steel vessel, mixed thoroughly and cooled to 45°C. Thereupon, the finely powdered active substance is added thereto and stirred until it has dispersed completely.
  • the mixture is poured into suppository moulds of suitable size, left to cool; the suppositories are then removed from the moulds and packed individually in wax paper or metal foil.
  • the title compound is prepared by saponification of 3,7-dimethyl-1H-indole-2-carboxylic acid ethyl ester (prepared by Fischer indole synthesis as described in Tetrahedron Lett. 2003, 44, 5665 ) using the procedure described above for the synthesis of 5-chloro-7-cyanomethyl-1H-indole-2-carboxylic acid (acid 1, step g)).

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Claims (20)

  1. Verbindung der Formel (I)
    Figure imgb0036
    A:
    Figure imgb0037
     worin
    X C=O ist und Y NR7 ist oder
    X CH2 ist und Y O ist oder
    X CH2 ist und Y CH2 ist,
    R1 Wasserstoff,
    C1-6-Alkyl, gegebenenfalls substituiert durch CN oder OH, oder
    -(C1-6-Alkylen)-C(O)-NRaRb ist;
    R 2 Wasserstoff,
    C1-6-Alkyl,
    C1-6-Alkoxy,
    -(C1-6-Alkylen)-NRcRd;
    -(C1-6-Alkylen)-C(O)Rf,
    Benzyl, gegebenenfalls substituiert durch ein oder mehrere Halogen, Halogen-C1-6-alkyl, C1-6-Alkyl, C1-6-Alkoxy, Halogen-C1-6-alkoxy, Nitro oder Cyano, oder
    Phenyl, gegebenenfalls substituiert durch ein oder mehrere Halogen, Halogen-C1-6-alkyl, C1-6-Alkyl, C1-6-Alkoxy, Halogen-C1-6-alkoxy, Nitro oder Cyano, ist;
    R3 Wasserstoff,
    Halogen oder
    C1-6-Alkyl ist;
    R4 Wasserstoff,
    Halogen,
    C1-6-Alkyl,
    Halogen-C1-6-alkyl,
    C1-6-Alkoxy,
    Halogen-C1-6-alkoxy oder
    -O-C2-10-Alkenyl ist;
    R5 Wasserstoff,
    Halogen,
    C1-6-Alkyl oder
    C1-6-Alkoxy ist;
    oder R4 und R5 unter Bildung eines Ringes mit der Benzokomponente aneinander gebunden sind, wobei
    -R4-R5- -O-(CH2)n-O- ist, worin n 1 oder 2 ist;
    R6 Wasserstoff, C1-6-Alkyl, gegebenenfalls substituiert durch CN oder OH, -(C1-6-Alkylen)-NRgRh; -(C1-6-Alkylen)-C(O)-NRiRj; -O-Benzyl, gegebenenfalls substituiert durch ein oder mehrere Halogen, Halogen-C1-6-alkyl, C1-6-Alkyl, C1-6-Alkoxy, Halogen-C1-6-alkoxy, Nitro oder Cyano, Nitro, Halogen, Cyano, C1-6-Alkoxy, Halogen-C1-6-alkoxy, Halogen-C1-6-alkyl, -(C1-6-Alkylen)-C(O)Rf, Phenyl oder 5- bis 6gliedriges Heteroaryl, gegebenenfalls substituiert durch Halogen, Halogen-C1-6-alkyl, C1-6-Alkyl, C1-6-Alkoxy, Halogen-C1-6-alkoxy, Nitro oder Cyano, -(C1-3-Alkylen)-Rm, worin Rm Phenyl, ein 5- bis 6gliedriges Heteroaryl, 4- bis 6gliedriges Heterocycloalkyl oder 3- bis 6gliedriges Cycloalkyl ist, die jeweils gegebenenfalls substituiert sind durch ein oder mehrere Halogen, Halogen-C1-6-alkyl, C1-6-Alkyl, C1-6-Alkoxy, Halogen-C1-6-alkoxy, Nitro oder Cyano, ist,
    oder R5 und R6 unter Bildung eines Ringes mit der Benzokomponente aneinander gebunden sind, wobei
    -R5-R6- -O-(CH2)n-C(O)-
    -C(O)-(CH2)n-O- oder -O-(CH2)n-O- ist, worin n 1 oder 2 ist;
    R7 Wasserstoff oder C1-6-Alkyl ist;
    R8 Wasserstoff, C1-6-Alkoxy, CN, OH, COORn oder C(O)NRoRp ist;
    R9, R10 und A11 jeweils unabhängig Wasserstoff, Halogen, C1-6-Alkyl, Halogen-C1-6-alkyl, C1-6-Alkoxy oder Halogen-C1-6-alkoxy sind;
    R12, R12', R13, R13' und R14 jeweils unabhängig Wasserstoff, C1-6-Alkoxy, C1-6-Alkyl, Halogen, Halogen-C1-6-alkoxy, Halogen-C1-6-alkyl oder Nitro sind;
    Ra, Rb, Ri und Rj jeweils unabhängig Wasserstoff, C1-6-Alkyl, -(C1-6-Alkylen)-NRkRl sind, worin Rk und Rl jeweils unabhängig Wasserstoff oder C1-6-Alkyl sind oder
    Rc, Ra und Rb, oder Ri und Rj zusammen mit dem Stickstoff, an den sie gebunden sind, einen fünf- oder sechsgliedrigen Heterozyklus bilden, der ein oder zwei Heteroatome, ausgewählt aus der Gruppe von Stickstoff, Sauerstoff und Schwefel, umfasst; Rd, Rg und Rh jeweils unabhängig Wasserstoff, C1-6-Alkyl, -C(O)Re oder -S(O)2Re sind, worin Re ausgewählt ist aus Wasserstoff, C1-6-Alkyl oder Phenyl, gegebenenfalls substituiert durch ein oder mehrere Halogen, Halogen-C1-6-alkyl, C1-6-Alkyl, C1-6-Alkoxy, Halogen-C1-6-alkoxy, Nitro oder Cyano, oder Rc und Rd oder Rg und Rh zusammen mit dem Stickstoff, an den sie gebunden sind, einen fünf- oder sechsgliedrigen Heterozyklus bilden, der ein oder zwei Heteroatome, ausgewählt aus der Gruppe von Stickstoff, Sauerstoff und Schwefel, umfasst, oder Rc und Rd oder Rg und Rh zusammen mit dem Stickstoff, an den sie gebunden sind, Isoindol-1,3-dion bilden; Rf ausgewählt ist aus der Gruppe von Wasserstoff, C1-6-Alkyl, C1-6-Alkoxy oder Phenyl, gegebenenfalls substituiert durch ein oder mehrere Halogen, Halogen-C1-6-alkyl, C1-6-Alkyl, C1-6-Alkoxy, Halogen-C1-6-alkoxy, Nitro oder Cyano;
    Rn, Ro und Rp jeweils unabhängig ausgewählt sind aus der Gruppe von Wasserstoff und C1-6-Alkyl,
    oder ein pharmazeutisch akzeptables Salz davon.
  2. Verbindung der Formel (I) nach Anspruch 1, mit der Maßgabe, dass R1, R2, R3, R4, R5 und R6 nicht alle Wasserstoff sind.
  3. Verbindung der Formel (I) nach Anspruch 1 oder 2, worin
    R12 und R12' jeweils unabhängig Wasserstoff, C1-6-Alkoxy, C1-6-Alkyl, Halogen, Halogen-C1-6-alkoxy, Halogen-C1-6-alkyl oder Nitro sind;
    R13, R13' und R14 jeweils unabhängig Wasserstoff, C1-6-Alkoxy, C1-6-Alkyl, Halogen, Halogen-C1-6-alkoxy oder Nitro sind.
  4. Verbindung der Formel (I) nach einem der Ansprüche 1 bis 3, worin
    R1 Wasserstoff, C1-6-Alkyl, gegebenenfalls substituiert durch CN oder OH, oder -(C1-6-Alkylen)-C(O)-NRaRb ist, worin Ra und Rb jeweils unabhängig Wasserstoff oder C1-6-Alkyl sind.
  5. Verbindung der Formel (I) nach Anspruch 1 oder 2, worin
    R2 Wasserstoff, C1-6-Alkyl, C1-6-Alkoxy, -(C1-6-Alkylen)-NRcRd, worin Rc und Rd jeweils unabhängig Wasserstoff, -C(O)Re oder -S(O)2Re sind, worin Re ausgewählt ist aus Wasserstoff, C1-6-Alkyloder Phenyl, gegebenenfalls substituiert durch ein oder mehrere Halogen, Halogen-C1-6-alkyl, C1-6-Alkyl, C1-6-Alkoxy, Halogen-C1-6-alkoxy, Nitro oder Cyano, oder Rc und Rd zusammen mit dem Stickstoff, an den sie gebunden sind, Isoindol-1,3-dion bilden, -(C1-6-Alkylen)-C(O)Rf, worin Rf ausgewählt ist aus Wasserstoff, C1-6-Alkyl, C1-6-Alkoxy oder Phenyl, gegebenenfalls substituiert durch ein oder mehrere Halogen, Halogen-C1-6-alkyl, C1-6-Alkyl, C1-6-Alkoxy, Halogen-C1-6-alkoxy, Nitro oder Cyano, Benzyl, gegebenenfalls substituiert durch Halogen, Halogen-C1-6-alkyl, C1-6-Alkyl, C1-6-Alkoxy, Halogen-C1-6-alkoxy, Nitro oder Cyano, oder Phenyl, gegebenenfalls substituiert durch Halogen, Halogen-C1-6-alkyl, C1-6-Alkyl, C1-6-Alkoxy, Halogen-C1-6-alkoxy, Nitro oder Cyano, ist.
  6. Verbindung der Formel (I) nach einem der Ansprüche 1 bis 5, worin R2 Wasserstoff oder C1-6-Alkyl ist.
  7. Verbindung der Formel (I) nach einem der Ansprüche 1 bis 6, worin R3 Wasserstoff ist.
  8. Verbindung der Formel (I) nach einem der Ansprüche 1 bis 7, worin
    R6 Wasserstoff, C1-6-Alkyl, gegebenenfalls substituiert durch CN oder OH, -(C1-6-Alkylen)-NRgRh, worin Rg und Rh jeweils unabhängig ausgewählt sind aus Wasserstoff oder C1-6-Alkyl oder worin Rg und Rh zusammen mit dem Stickstoff, an den sie gebunden sind, einen fünf- oder sechsgliedrigen Heterozyklus bilden, der ein oder zwei Heteroatome, ausgewählt aus der Gruppe von Stickstoff, Sauerstoff und Schwefel, umfasst, -(C1-6-Alkylen)-C(O)-NRiRj, worin Ri und Rj jeweils unabhängig Wasserstoff, C1-6-Alkyl, -(C1-6-Alkylen)-NRkRl sind, worin Rk und R1 jeweils unabhängig Wasserstoff oder C1-6-Alkyl sind, oder Ri und Rj zusammen mit dem Stickstoff, an den sie gebunden sind, einen fünf-oder sechsgliedrigen Heterozyklus bilden, der ein oder zwei Heteroatome, ausgewählt aus der Gruppe von Stickstoff, Sauerstoff und Schwefel, umfasst, -O-Benzyl, gegebenenfalls substituiert durch ein oder mehrere Halogen, Halogen-C1-6-alkyl, C1-6-Alkyl, C1-6-Alkoxy, Halogen-C1-6-alkoxy, Nitro oder Cyano, Nitro, Halogen, Cyano, C1-6-Alkoxy, Halogen-C1-6-alkoxy, Halogen-C1-6-alkyl, -(C1-6-Alkylen)-C(O)Rf, Rf ausgewählt ist aus Wasserstoff, C1-6-Alkyl, C1-6-Alkoxy oder Phenyl oder 5- bis 6gliedrigem Heteroaryl, gegebenenfalls substituiert durch ein oder mehrere Halogen, Halogen-C1-6-alkyl, C1-6-Alkyl, C1-6-Alkoxy, Halogen-C1-6-alkoxy, Nitro oder Cyano, Phenyl, gegebenenfalls substituiert durch ein oder mehrere Halogen, Halogen-C1-6-alkyl, C1-6-Alkyl, C1-6-Alkoxy, Halogen-C1-6-alkoxy, Nitro oder Cyano, -(C1-3-Alkylen)-Rm, worin Rm Phenyl, ein 5- bis 6gliedriges Heteroaryl, 4- bis 6gliedriges Heterocycloalkyl oder 3- bis 6gliedriges Cycloalkyl ist, die jeweils gegebenenfalls substituiert sind durch ein oder mehrere Halogen, Halogen-C1-6-alkyl, C1-6-Alkyl, C1-6-Alkoxy, Halogen-C1-6-alkoxy, Nitro oder Cyano, ist.
  9. Verbindung der Formel (I) nach einem der Ansprüche 1 bis 8, worin
    R6 Wasserstoff, C1-6-Alkyl, gegebenenfalls substituiert durch CN oder OH, -(C 1-6-Alkylen)-NRgRh, worin Rg und Rh jeweils unabhängig ausgewählt sind aus Wasserstoff oder C1-6-Alkyl oder worin Rg und Rh zusammen mit dem Stickstoff, an den sie gebunden sind, einen fünf oder sechsgliedrigen Heterozyklus bilden, der ein oder zwei Heteroatome, ausgewählt aus der Gruppe von Stickstoff und Sauerstoff, umfasst, -(C1-6-Alkylen)-C(O)-NRiRj, worin Ri und Rj jeweils unabhängig Wasserstoff, C1-6-Alkyl oder -(C1-6-Alkylen)-NRkRl sind, worin Rk und Rl jeweils unabhängig Wasserstoff oder C1-6-Alkyl sind, oder Ri und Rj zusammen mit dem Stickstoff, an den sie gebunden sind, einen fünf-oder sechsgliedrigen Heterozyklus bilden, der ein oder zwei Heteroatome, ausgewählt aus der Gruppe von Stickstoff und Sauerstoff, umfasst, -(C1-3-Alkylen)-Rm, worin Rm Phenyl, ein 5- bis 6gliedriges Heteroaryl, 4- bis 6gliedriges Heterocycloalkyl oder 3- bis 6gliedriges Cycloalkyl ist, die jeweils gegebenenfalls substituiert sind durch ein oder mehrere Halogen, Halogen-C1-6-alkyl, C1-6-Alkyl, C1-6-Alkoxy, Halogen-C1-6-alkoxy, Nitro oder Cyano, ist.
  10. Verbindung der Formel (I) nach einem der Ansprüche 1 bis 9, worin
    A (a) ist;
    X C=O ist und Y NR7 ist;
    R1 Wasserstoff, C1-6-Alkyl, gegebenenfalls substituiert durch CN oder OH, oder -(C1-6-Alkylen)-C(O)-NRaRb ist, worin Ra und Rb jeweils unabhängig Wasserstoff oder C1-6-Alkyl sind;
    R2 Wasserstoff oder C1-6-Alkyl ist;
    R3 Wasserstoff, Halogen oder C1-6-Alkyl ist;
    R4 Wasserstoff, Halogen, C1-6-Alkyl, Halogen-C1-6-alkyl, C1-6-Alkoxy oder Halogen-C1-6-alkoxy ist;
    R5 Wasserstoff, Halogen, C1-6-Alkyl oder C1-6-Alkoxy ist;
    oder R4 und R5 unter Bildung eines Ringe mit der Benzokomponente aneinander gebunden sind, worin
    -R4-R5- -O-(CH2)n-O- ist, worin n 1 oder 2 ist;
    R6 Wasserstoff, C1-6-Alkyl, gegebenenfalls substituiert durch CN oder OH, -(C1-6-Alkylen)-NRgRh, worin Rg und Rh jeweils unabhängig ausgewählt sind aus Wasserstoff oder C1-6-Alkyl oder worin Rg und Rh zusammen mit dem Stickstoff, an den sie gebunden sind, einen fünf- oder sechsgliedrigen Heterozyklus bilden, der ein oder zwei Heteroatome, ausgewählt aus der Gruppe von Stickstoff und Sauerstoff, umfasst, -(C1-6-Alkylen)-C(O)-NRiRj ist, worin Ri und Ri jeweils unabhängig Wasserstoff, C1-6-Alkyl, -(C1-6-Alkylen)-NRkRl sind, worin Rk und Rl jeweils unabhängig Wasserstoff oder C1-6-Alkyl sind, oder Ri und Rj zusammen mit dem Stickstoff, an den sie gebunden sind, einen fünf-oder sechsgliedrigen Heterozyklus bilden, der ein oder zwei Heteroatome, ausgewählt aus der Gruppe von Stickstoff und Sauerstoff, umfasst;
    R7 Wasserstoff oder C1-6-Alkyl ist;
    R9, R10 und R11 jeweils unabhängig Wasserstoff, Halogen, C1-6-Alkyl, Halogen-C1-6-alkyl, C1-6-Alkoxy oder Halogen-C1-6-alkoxy sind.
  11. Verbindung der Formel (I) nach einem der Ansprüche 1 bis 9, worin
    A (b) ist;
    R1 Wasserstoff, C1-6-Alkyl, gegebenenfalls substituiert durch CN oder OH, oder -(C1-6-Alkylen)-C(O)-NRaRb ist, worin Ra und Rb jeweils unabhängig Wasserstoff oder C1-6-Alkyl sind;
    R2 Wasserstoff oder C1-6-Alkyl ist;
    R3 Wasserstoff, Halogen oder C1-6-Alkyl ist;
    R4 Wasserstoff, Halogen, C1-6-Alkyl, Halogen-C1-6-alkyl, C1-6-Alkoxy oder Halogen-C1-6-alkoxy ist;
    R5 Wasserstoff, Halogen, C1-6-Alkyl oder C1-6-Alkoxy ist;
    oder R4 und R5 unter Bildung eines Ringe mit der Benzokomponente aneinander gebunden sind, worin
    -R4-R5- -O-(CH2)n-O- ist, worin n 1 oder 2 ist;
    R6 Wasserstoff, C1-6-Alkyl, gegebenenfalls substituiert durch CN oder OH, -(C1-6-Alkylen)-NRgRh, worin Rg und Rh jeweils unabhängig ausgewählt sind aus Wasserstoff oder C1-6-Alkyl oder worin Rg und Rh zusammen mit dem Stickstoff, an den sie gebunden sind, einen fünf- oder sechsgliedrigen Heterozyklus bilden, der ein oder zwei Heteroatome, ausgewählt aus der Gruppe von Stickstoff und Sauerstoff, umfasst, -(C1-6-Alkylen)-C(O)-NRiRj ist, worin Ri und Rj jeweils unabhängig Wasserstoff, C1-6-Alkyl oder -(C1-6-Alkylen)-NRkRl sind, worin Rk und Rl jeweils unabhängig Wasserstoff oder C1-6-Alkyl sind, oder Ri und Rj zusammen mit dem Stickstoff, an den sie gebunden sind, einen fünf-oder sechsgliedrigen Heterozyklus bilden, der ein oder zwei Heteroatome, ausgewählt aus der Gruppe von Stickstoff und Sauerstoff, umfasst;
    R8 Wasserstoff, C1-6-Alkoxy, CN, OH, COORn oder C(O)NRoRp ist;
    R12 und R12' jeweils unabhängig Wasserstoff, C1-6-Alkoxy, C1-6-Alkyl, Halogen, Halogen-C1-6-alkoxy, Halogen-C1-6-alkyl oder Nitro sind;
    R13, R13' und R14 jeweils unabhängig Wasserstoff, C1-6-Alkoxy, C1-6-Alkyl, Halogen, Halogen-C1-6-alkoxy oder Nitro sind.
  12. Verbindung der Formel (I) nach einem der Ansprüche 1 bis 9, worin
    A (c) ist;
    R1 Wasserstoff, C1-6-Alkyl, gegebenenfalls substituiert durch CN oder OH, oder -(C1-6-Alkylen)-C(O)-NRaRb ist, worin Ra und Rb jeweils unabhängig Wasserstoff oder C1-6-Alkyl sind;
    R2 Wasserstoff oder C1-6-Alkyl ist;
    R3 Wasserstoff, Halogen oder C1-6-Alkyl ist;
    R4 Wasserstoff, Halogen, C1-6-Alkyl, Halogen-C1-6-alkyl, C1-6-Alkoxy oder Halogen-C1-6-alkoxy ist;
    R5 Wasserstoff, Halogen, C1-6-Alkyl oder C1-6-Alkoxy ist;
    oder R4 und R5 unter Bildung eines Ringe mit der Benzokomponente aneinander gebunden sind, worin
    -R4-R5- -O-(CH2)n-O- ist, worin n 1 oder 2 ist;
    R6 Wasserstoff, C1-6-Alkyl, gegebenenfalls substituiert durch CN oder OH, -(C1-6-Alkylen)-NRgRh, worin Rg und Rh jeweils unabhängig ausgewählt sind aus Wasserstoff oder C1-6-Alkyl oder worin Rg und Rh zusammen mit dem Stickstoff, an den sie gebunden sind, einen fünf- oder sechsgliedrigen Heterozyklus bilden, der ein oder zwei Heteroatome, ausgewählt aus der Gruppe von Stickstoff und Sauerstoff, umfasst, -(C1-6-Alkylen)-C(O)-NRiRj ist, worin Ri und Rj jeweils unabhängig Wasserstoff, C1-6-Alkyl, -(C1-6-Alkylen)-NRkRl sind, worin Rk und Rl jeweils unabhängig Wasserstoff oder C1-6-Alkyl sind, oder Ri und Ri zusammen mit dem Stickstoff, an den sie gebunden sind, einen fünf-oder sechsgliedrigen Heterozyklus bilden, der ein oder zwei Heteroatome, ausgewählt aus der Gruppe von Stickstoff und Sauerstoff, umfasst;
    R8 Wasserstoff, C1-6-Alkoxy, CN, OH, COORn oder C(O)NRoRp ist;
    R12, R12', R13, R13' und R14 jeweils unabhängig Wasserstoff, C1-6-Alkoxy, C1-6-Alkyl, Halogen, Halogen-C1-6-alkoxy, Halogen-C1-6-alkyl oder Nitro sind.
  13. Verbindung der Formel (I), die ausgewählt ist aus
    {5-Chlor-2-[4-(2-oxo-2,3-dihydro-benzooxazol-7-yl)-piperidin-1-carbonyl]-1H-indol-7-yl}acetonitril,
    7-[1-(5-Chlor-7-morpholin-4-ylmethyl-1H-indol-2-carbonyl)-piperidin-4-yl]-3H-benzo-oxazol-2-on,
    (5-Chlor-1H-indol-2-yl)-(4-methoxy-4-phenyl-piperidin-1-yl)-methanon,
    (5-Chlor-1H-indol-2-yl)-[4-(3-chlor-phenyl)-piperidin-1-yl]-methanon,
    (5-Chlor-1H-indol-2-yl)-[4-(2,6-dimethoxy-phenyl)-piperidin-1-yl]-methanon,
    2-{5-Chlor-2-[4-(2,6-dimethoxy-phenyl)-piperidin-1-carbonyl]-indol-1-yl}-N,N-dimethylacetamid,
    {5-Chlor-2-[4-(2,6-dimethoxy-phenyl)-piperidin-1-carbonyl]-indol-1-yl}-acetonitril,
    {2-[4-(2,6-Dimethoxy-phenyl)-piperidin-1-carbonyl]-1H-indol-7-yl} -acetonitril,
    {5-Chlor-2-[4-(2,6-dimethoxy-phenyl)-piperidin-1-carbonyl]-1H-indol-7-yl}-acetonitril,
    {5-Chlor-2-[4-(2-methoxy-phenyl)-piperidin-1-carbonyl]-1H-indol-7-yl} -acetonitril,
    (5-Chlor-7-morpholin-4-ylmethyl-1H-indol-2-yl)-[4-(2-methoxy-phenyl)-piperidin-l-yl]-methanon oder
    (3,7-Dimethyl-1H-indol-2-yl)-(4-phenyl-3,6-dihydro-2H-pyridin-1-yl)-methanon.
  14. Verfahren zur Herstellung von Verbindungen der Formel (I) nach Anspruch 1, umfassend den Schritt des Umsetzens einer Verbindung der Formel (II):
    Figure imgb0038
     mit einem Amin der Formel A-H, worin A und R1 bis R6 wie in Anspruch 1 definiert sind.
  15. Verfahren zur Herstellung von Verbindungen der Formel (I) nach Anspruch 1, umfassend den Schritt des Umsetzens einer Verbindung der Formel (I-1):
    Figure imgb0039
     mit einem Elektrophil der Formel R1-hal unter Erhalt einer Verbindung der allgemeinen Formel (I), wie in Anspruch 1 definiert, mit der Maßgabe, dass R1 nicht Wasserstoff ist.
  16. Verbindung der Formel (I) nach einem der Ansprüche 1 bis 13 zur Verwendung bei der Vorbeugung oder Behandlung von Dysmenorrhö, Hypertonie, chronischem Herzversagen, unangemessener Sekretion von Vasopressin, Leberzirrhose, dem nephrotischen Syndrom, obsessiv-kompulsiver Störung, Angst und depressiven Störungen.
  17. Pharmazeutische Zusammensetzung, umfassend eine Verbindung der Formel (I) nach einem der Ansprüche 1 bis 13.
  18. Pharmazeutische Zusammensetzung nach Anspruch 17, die gegen Dysmenorrhö, Hypertonie, chronisches Herzversagen, unangemessene Sekretion von Vasopressin, Leberzirrhose, das nephrotische Syndrom, obsessiv-kompulsive Störung, Angst und depressive Störungen verwendbar ist.
  19. Verwendung einer Verbindung der Formel (I) nach einem der Ansprüche 1 bis 13 zur Herstellung eines Medikaments.
  20. Verwendung nach Anspruch 19, wobei das Medikament gegen Dysmenorrhö, Hypertonie, chronisches Herzversagen, unangemessene Sekretion von Vasopressin, Leberzirrhose, das nephrotische Syndrom, obsessiv-kompulsive Störung, Angst und depressive Störungen verwendbar ist.
EP07847500A 2006-12-08 2007-11-29 Indole Not-in-force EP2102186B1 (de)

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